diff --git a/tests/prototest/imported.proto b/tests/prototest/imported.proto
new file mode 100644
index 0000000..5b43e4b
--- /dev/null
+++ b/tests/prototest/imported.proto
@@ -0,0 +1,5 @@
+package proto.test;
+
+message ImportedMessage {
+    optional int32 a = 26;
+}